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There is no constant relationship between units of length and units of angle.
There is no constant relationship between units of length and units of angle.
they both measure the angle in degrees
The relation between the arc of length and the central angle is that the arc of length divided by one of the sides is the central angle in radians. If the arc is a full circle, then the central angle is 2pi radians or 360 degrees.
The COEFFICIENT of Refraction.